#include"./output/add.h"
#include"./output/sub.h"



int main()
{
  int x=1;
  int y=2;
  int ret1=my_add(x,y);
  int ret2=my_sub(x,y);

  printf("+:%d\n",ret1);
  printf("-:%d\n",ret2);
  return 0;
}
